Mare_Tranquillitatis.jpg(350 × 382 piksels, lêergrootte: 15 KG, MIME-tipe: image/jpeg)

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English: en:Mare Tranquillitatis sits within the Tranquillitatis basin. The mare material within the basin consists of basalt in the intermediate to young age group of the Upper Imbrian epoch. The surrounding mountains are thought to be of the Lower Imbrian epoch, but the actual basin is probably Pre-Nectarian. The basin has irregular margins and lacks

a defined multiple-ringed structure. The irregular topography in and near this basin results from the intersection of the Tranquillitatis, Nectaris, Crisium, Fecunditatis, and Serenitatis basins with two throughgoing rings of hypothetical Procellarum basin. Mare Serenitatis is seen in the upper left of the photo below. Palus Somni, on the northeastern rim of the mare, is filled with the basalt that spilled over from Tranquillitatis. This mare also served as the landing

site for Apollo 11, the first manned landing on the Moon.
Bron http://lunar.arc.nasa.gov/science/atlas/mare/mtranquillitatis.htm
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Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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huidig00:28, 1 Junie 2007Duimnaelskets vir weergawe vanaf 00:28, 1 Junie 2007350 × 382 (15 KG)Bryan Derksen{{Information |Description={{en|en:Mare Tranquillitatis sits within the Tranqillitatis basin. The mare material within the basin consists of basalt in the intermediate to young age group of the Upper Imbrian epoch. The surrounding mountains are tho

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